Columbia Gas of PA

We’re one of Pennsylvania’s leading energy companies, with a highly trained team dedicated to providing our customers with the essential energy services they need every day.

Headquartered in Canonsburg, we provide natural gas service to residential, commercial and industrial customers in 450 communities in 26 counties throughout Pennsylvania’s greater York, State College and Western Pennsylvania service territories. We’re one of the seven energy delivery companies of NiSource, who together provide essential natural gas and electric service to nearly 4 million customers.